· Wide Compatibility - This vacuum battery replacement is compatible with Eufy RoboVac models 11, 11S, 11S MAX, 11S PLUS, 12, 15C, 15C MAX, 15T, 25C, 30, 30C MAX, 35C, G10 Hybrid, G30, G30 Edge, G30 Hybrid, G30 Verge, G20, R500, R450, Ecovacs Deebot models N79S, 500, N79, N79SE, N79W, DN622, and Shark Ion RV750, among others· Premium Battery - This vacuum robot battery features high-quality rechargeable cells and an adaptive chip that stabilizes current and voltage, ensuring no adverse effects on the robot. It retains over 95% of its capacity after 500 cycles of use· Long Battery Life - The 14.4V 3200mAh premium Li-ion rechargeable battery ensures extended run time and durability, providing 120 to 180 minutes of cleaning per charge. Simply charge it once and clean your entire house· Safety Battery - Equipped with reliable safeguard features, this battery includes built-in protection against short circuits, output overvoltage, overheating, and output overcurrent· Easy to Use and Perfect Fit - Keep your machine running smoothly to clean all dirt, dust, debris, hair, and anything else on the floor· Satisfaction Guaranteed - We strive for 100% customer satisfaction. If you encounter any issues with the product, we will do our best to resolve them and offer a replacement or refund